Alert archive / Colorado / Severe Thunderstorm Warnings in 2020

Severe Thunderstorm Warning 21, NWS Pueblo, CO

May 21, 2020Kiowa County, Prowers County, Colorado

NWS Pueblo, CO issued this severe thunderstorm warning at May 21, 2020, 3:30 PM MDT for Kiowa County, Prowers County, Colorado. It was in force for 30 min. 2 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: May 21, 2020, 3:30 PM MDT (21:30 UTC)
Expired: May 21, 2020, 4:00 PM MDT
In force: 30 min
Issued by: NWS Pueblo, CO
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Kiowa County, CO, Prowers County, CO

The radar

The Goodland radar (KGLD), 157 km from the middle of the area, began a volume at 21:33 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

Time	Report	Where	Remark
May 21, 3:47 PM MDT	HAIL 1.5	5 S Granada, CO
May 21, 3:47 PM MDT	TORNADO	10 S Granada, CO

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Dodge City, (KDDC), launched 12:00Z, 9.5 hours before the alert went out and 209 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 275 J/kg
Mixed-layer CIN: -409 J/kg
Mixed-layer LCL: 690 m above ground
0-6 km bulk shear: 9 kt
0-1 km storm-relative helicity: -64 m²/s²
0-3 km storm-relative helicity: 186 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.0

Open this sounding in Storm Lab

The text

As transmitted.

941 
WUUS55 KPUB 212130
SVRPUB
COC061-099-212200-
/O.NEW.KPUB.SV.W.0021.200521T2130Z-200521T2200Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Pueblo CO
330 PM MDT Thu May 21 2020

The National Weather Service in Pueblo has issued a

* Severe Thunderstorm Warning for...
  Central Prowers County in southeastern Colorado...
  Southeastern Kiowa County in southeastern Colorado...

* Until 400 PM MDT.

* At 330 PM MDT, a severe thunderstorm was located 12 miles south of
  Granada, or 19 miles southeast of Lamar, moving northeast at 35
  mph.

  HAZARD...60 mph wind gusts and quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees.

* Locations impacted include...
  Holly, Granada, Hartman and Bristol. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3771 10237 3784 10261 3846 10209 3841 10204
      3800 10205
TIME...MOT...LOC 2130Z 218DEG 31KT 3788 10235 

HAIL...1.00IN
WIND...60MPH
 
$$

KTS

2 follow-up statements

360 
WWUS55 KPUB 212143
SVSPUB

Severe Weather Statement
National Weather Service Pueblo CO
343 PM MDT Thu May 21 2020

COC061-099-212200-
/O.CON.KPUB.SV.W.0021.000000T0000Z-200521T2200Z/
Prowers CO-Kiowa CO-
343 PM MDT Thu May 21 2020

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 400 PM MDT
FOR CENTRAL PROWERS AND SOUTHEASTERN KIOWA COUNTIES...

At 342 PM MDT, a severe thunderstorm was located 11 miles south of
Granada, or 20 miles southwest of Coolidge, moving northeast at 15
mph.

HAZARD...Ping pong ball size hail and 60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...People and animals outdoors will be injured. Expect hail 
         damage to roofs, siding, windows, and vehicles. Expect wind 
         damage to roofs, siding, and trees.

Locations impacted include...
Holly, Granada, Hartman and Bristol. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3771 10237 3784 10261 3846 10209 3841 10204
      3800 10205
TIME...MOT...LOC 2142Z 218DEG 14KT 3789 10233 

HAIL...1.50IN
WIND...60MPH
 
$$

KTS

198 
WWUS55 KPUB 212150
SVSPUB

Severe Weather Statement
National Weather Service Pueblo CO
350 PM MDT Thu May 21 2020

COC061-212200-
/O.CAN.KPUB.SV.W.0021.000000T0000Z-200521T2200Z/
Kiowa CO-
350 PM MDT Thu May 21 2020

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN KIOWA COUNTY IS
CANCELLED...
    
The severe thunderstorm which prompted the warning has weakened. 
Therefore, the warning has been cancelled.

LAT...LON 3783 10228 3794 10248 3827 10223 3827 10205
      3800 10205
TIME...MOT...LOC 2150Z 213DEG 27KT 3794 10230 

$$

COC099-212200-
/O.CON.KPUB.SV.W.0021.000000T0000Z-200521T2200Z/
Prowers CO-
350 PM MDT Thu May 21 2020

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 400 PM MDT
FOR NORTHEASTERN PROWERS COUNTY...

At 350 PM MDT, a severe thunderstorm was located 8 miles south of
Granada, or 17 miles southwest of Coolidge, moving northeast at 30
mph.

HAZARD...Ping pong ball size hail and 60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...People and animals outdoors will be injured. Expect hail 
         damage to roofs, siding, windows, and vehicles. Expect wind 
         damage to roofs, siding, and trees.

Locations impacted include...
Holly, Granada, Hartman and Bristol. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3783 10228 3794 10248 3827 10223 3827 10205
      3800 10205
TIME...MOT...LOC 2150Z 213DEG 27KT 3794 10230 

HAIL...1.50IN
WIND...60MPH
 
$$

KTS

The office that day

Everything else NWS Pueblo, CO issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 21, 2:57 PM MDT	Fire Weather Watch	PUB	Alamosa, Baca, Bent, Conejos, Costilla, Crowley and 12 more	24 hr
May 21, 2:57 PM MDT	Red Flag Warning	PUB	Alamosa, Chaffee, Conejos, Costilla, Custer, Huerfano and 6 more	30 hr
May 21, 3:03 PM MDT	Special Weather Statement	PUB	Prowers	27 min
May 21, 3:48 PM MDT	Tornado Warning Tornado observed	PUB	Prowers	27 min
May 21, 3:59 PM MDT	Severe Thunderstorm Warning	PUB	Prowers	31 min
May 21, 4:18 PM MDT	Tornado Warning	PUB	Prowers	27 min
May 21, 4:30 PM MDT	Severe Thunderstorm Warning	PUB	Kiowa, Prowers	30 min
May 21, 4:32 PM MDT	Tornado Warning Tornado observed	PUB	Prowers	13 min
May 21, 4:34 PM MDT	Severe Thunderstorm Warning	PUB	Prowers	26 min
May 21, 4:49 PM MDT	Severe Thunderstorm Warning	PUB	Kiowa, Prowers	26 min
May 21, 5:14 PM MDT	Severe Thunderstorm Warning	PUB	Kiowa	14 min

Nearby

Severe Thunderstorm Warnings in Colorado, 2020 Every severe thunderstorm warning in 2020

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.